JavaScriptCore-1097.3.tar.gz

[apple/javascriptcore.git] / runtime / JSGlobalThis.cpp

diff --git a/runtime/JSGlobalThis.cpp b/runtime/JSGlobalThis.cpp
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+/*
+ * Copyright (C) 2011 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+ * THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "JSGlobalThis.h"
+
+#include "JSGlobalObject.h"
+
+namespace JSC {
+
+ASSERT_CLASS_FITS_IN_CELL(JSGlobalThis);
+ASSERT_HAS_TRIVIAL_DESTRUCTOR(JSGlobalThis);
+
+const ClassInfo JSGlobalThis::s_info = { "JSGlobalThis", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(JSGlobalThis) };
+
+void JSGlobalThis::visitChildren(JSCell* cell, SlotVisitor& visitor)
+{
+    JSGlobalThis* thisObject = jsCast<JSGlobalThis*>(cell);
+    ASSERT_GC_OBJECT_INHERITS(thisObject, &s_info);
+
+    COMPILE_ASSERT(StructureFlags & OverridesVisitChildren, OverridesVisitChildrenWithoutSettingFlag);
+    ASSERT(thisObject->structure()->typeInfo().overridesVisitChildren());
+
+    Base::visitChildren(thisObject, visitor);
+    if (thisObject->m_unwrappedObject)
+        visitor.append(&thisObject->m_unwrappedObject);
+}
+
+void JSGlobalThis::setUnwrappedObject(JSGlobalData& globalData, JSGlobalObject* globalObject)
+{
+    ASSERT_ARG(globalObject, globalObject);
+    m_unwrappedObject.set(globalData, this, globalObject);
+    setPrototype(globalData, globalObject->prototype());
+    resetInheritorID();
+}
+
+} // namespace JSC